Animals such as elephants, tigers, and polar bears are crucial to their environments. Many people don't realize that even smaller animals such as sea urchins and corals are critical to keeping their ecosystems healthy. These books investigate what would happen if certain animals were to disappear, with each book considering a different animal's impact. The high-interest content is directly related to the elementary science curriculum. With the help of colorful photographs, this series encourages curious readers to engage with the world around them in a new way.
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